has anyone had problems with a trane XD-80 AC unit causing too much condensation. Is this a design flaw?
Question by jamars: has anyone had problems with a trane XD-80 AC unit causing too much condensation. Is this a design flaw?
My new trane unit is not catching all the condensation it produces. the primary drain is not blocked. My secondary pan is sitting in water all the time. Trane enginers have looked at the problem and even replaced my A coil. Still the same problem. Seems to me trane has a design problem here. Anyone out there with a similar experience or problem with a downflow XD-80?
Best answer:
Answer by oil field trash
They come from the factory set up for vertical installation but I’m not sure if that is vertical up or vertical down flow.
We have a new variable air handler with coils for a 5 ton Trane heat pump system. It is installed in the horizontal and there was a problem with condensate getting into the enclosure and leaking into the emergency pan.
The contractor replaced the coil and the problem went away. One of the brackets holding the drip pan inside the unit was bent and the drip pan was tilted to one side.
According to someone I know at Trane, they have not really tested their air handlers very well when it comes to condensate blow off from the coils. Keep on Trane’s case. They should make it right and I believe they will if you stay with it.
A person I know at Trane said the number one problem their field service people have to deal with on down flow units is the failure of the installer to properly modify the unit with the baffles needed for that configuration. As the writer below says, information on these should be in the installation manual that came with the unit.
Finally, is it possible that they have switched the two drain connections so that the main drain is draining to the emergency pan and not the sewer or condensate pump? Have you checked these connections against the installation drawings? Also, I assume they have provided a trap in the main drain so air is not being drawn in and keeping the condensate from draining.
Know better? Leave your own answer in the comments!
Downflow can be tricky because the air is flowing in the same direction as the condensate. The downflow configuration requires a special baffle to be installed. Ask to make sure the baffle is installed CORRECTLY. You might be able to look at it yourself. You should have recieved an “Installer’s Guide” and other paperwork. If you didn’t, ask for it. I believe the “Installer’s Guide” will have the info on the downflow baffle.